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  • A partial glossary of Spanish geological terms exclusive of most cognates [microform] / by Keith R. Long.

    • Text
    • Menlo Park, CA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1991.
    • 1991

  • Reserves and production data for selected ore deposits in the United States found in the files of the Anaconda Copper Company [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
    • 1992

  • Descriptive model of salt-dome sulfur and contained-sulfur model for salt-dome sulfur [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
    • 1992

  • Descriptive model of stratabound sulfur, and contained-sulfur model of stratabound sulfur [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, Calif.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
    • 1992

  • Grade-tonnage data for detachment-fault related polymetallic deposits [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, Calif.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1993.
    • 1993

  • Economic fundamentals of mining law [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1993.
    • 1993

  • Production and disposal of mill tailings in the Coeur d'Alene mining region, Shoshone County, Idaho [microform] : preliminary estimates / by Keith R. Long.

    • Text
    • Tucson, AZ : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
    • 1998

  • Grade and tonnage models for Coeur d'Alene-type polymetallic veins [microform] / by Keith R. Long.

    • Text
    • [Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
    • 1998

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